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【单选题】
砼浇水养护的时间:对采用硅酸盐水泥、普通硅酸盐水泥或矿渣硅酸盐水泥拌制的砼,不得少于( );对掺用缓凝型外加剂或有抗渗要求的砼,不得少于( )。A.
7d、60d
B.
7d、28d
C.
7d、14d
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举一反三
【简答题】地下水按其深度可以分为()、()和深层水。
【简答题】Happiness radiated ________ Mary as she proudly told her parents about her remarkable success in achieving her career goals.
【简答题】在地下水严重超采地区，经县级以上地方人民政府批准，可以划定()。 A.地下水禁止开采区 B.地下水限制开采区 C.地下水保护区 D.地下水控制区
【简答题】学言,发现快乐是最关键的一环
【单选题】Happiness________Mary as she proudly told her parents about her remarkable success in achieving her career goals!
A.
radiated from
B.
radiated upon
C.
radiating from
D.
radiating upon
【简答题】下列哪些措施可以防止污染地下水?（ ）
【单选题】Happiness Mary as she proudly told her parents about her remarkable success in achieving her career goals!
A.
concluded from
B.
touched at
C.
related with
D.
radiated from
【简答题】Happiness radiated ____ Mary as she proudly told her parents about her remarkable success in achieving her career goals! prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
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